Difference between revisions of "AY Honors/Automobile Mechanics/Answer Key 2"

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{{Honor Master|honor={{#titleparts:{{PAGENAME}}|1|3}}|master=Technician}}
 
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==1. Properly start an automobile or light truck engine with an automatic transmission, and then one with a standard transmission. Briefly explain why it is necessary for the engine to have the proper oil, water, fuel, and battery pressures and levels for proper engine operation.== <!--T:3-->
 
  
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==2. Briefly describe how a keyless ignition system functions. Properly start an automobile or light truck with a push button start/stop assembly.== <!--T:4-->
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<!-- 1. Properly start an automobile or light truck engine with an automatic transmission, and then one with a standard transmission. Briefly explain why it is necessary for the engine to have the proper oil, water, fuel, and battery pressures and levels for proper engine operation. -->
  
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==3. Briefly explain the following concepts:== <!--T:5-->
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<!-- 2. Briefly describe how a keyless ignition system functions. Properly start an automobile or light truck with a push button start/stop assembly. -->
  
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===a. The principles of four-cycle engine vs. a two-cycle engine.=== <!--T:6-->
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<!-- 3. Briefly explain the following concepts: -->
  
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===b. The difference between a gasoline and a diesel engine.=== <!--T:7-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=3a}} <!--T:6-->
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===c. The major differences between carburetor fuel systems and fuel-injection systems.=== <!--T:8-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=3b}} <!--T:7-->
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===d. The principles of an electric vehicle.=== <!--T:9-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=3c}} <!--T:8-->
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==4. What is an ECU? Give three practical examples of its use.== <!--T:10-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=3d}} <!--T:9-->
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==5. Briefly explain the function of the following:== <!--T:11-->
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<!-- 5. Briefly explain the function of the following: -->
  
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===a. Engine: crankshaft, connecting rods, pistons, camshaft, valves, oil pump, carburetor, fuel injectors, ignition distributor, fuel distributor, electrical system including alternator, battery, and regulator=== <!--T:12-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=5a}} <!--T:12-->
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===b. Transmission: The difference between standard transmission and automatic transmission, and how the engine torque is transmitted to both kinds of transmissions; the purpose of overdrive=== <!--T:13-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=5b}} <!--T:13-->
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===c. Drivetrain: The difference between rear wheel drive, front wheel drive, and all-wheel drive.=== <!--T:14-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=5c}} <!--T:14-->
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===d. Brakes: The difference between drum brakes and disk brakes, standard brakes and power brakes, and the parking brake=== <!--T:15-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=5d}} <!--T:15-->
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==6. Describe two techniques used to measure the tread depth of a tire.== <!--T:16-->
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<!-- 6. Describe two techniques used to measure the tread depth of a tire. -->
  
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==7. What is a tire pressure gauge?  Briefly describe:== <!--T:17-->
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<!-- 7. What is a tire pressure gauge?  Briefly describe: -->
  
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===a. where to check for the recommended tire pressure=== <!--T:18-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=7a}} <!--T:18-->
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===b. the process of adjusting the tire pressure as necessary=== <!--T:19-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=7b}} <!--T:19-->
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===c. what takes place when the tire pressure is low=== <!--T:20-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=7c}} <!--T:20-->
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==8. How often should the engine oil, transmission oil, and cooling fluid be changed?== <!--T:21-->
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==9. Give some pointers on proper care of the vehicle and its finish, both interior and exterior.== <!--T:22-->
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<!-- 9. Give some pointers on proper care of the vehicle and its finish, both interior and exterior. -->
  
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==10. Be able to describe and locate each of the following items, if equipped.== <!--T:23-->
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<!-- 10. Be able to describe and locate each of the following items, if equipped. -->
  
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===a. Fuel Pump=== <!--T:24-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=10a}} <!--T:24-->
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===b. Gaskets=== <!--T:25-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=10b}} <!--T:25-->
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===c. Muffler=== <!--T:26-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=10c}} <!--T:26-->
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===d. Spark Plugs=== <!--T:27-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=10d}} <!--T:27-->
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===e. Timing Belt=== <!--T:28-->
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===f. Water Pump=== <!--T:29-->
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===g. Radiator=== <!--T:30-->
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===h. Catalytic Converter=== <!--T:31-->
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===i. Paddle Shifters=== <!--T:32-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=10i}} <!--T:32-->
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===j. Single/Dual Exhaust=== <!--T:33-->
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===k. Cruise Control=== <!--T:34-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=10k}} <!--T:34-->
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===l. Suspension (Shocks & Struts)=== <!--T:35-->
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===m. Brake Assist=== <!--T:36-->
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===n. Air Bags=== <!--T:37-->
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===o. Keyless Entry=== <!--T:38-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=10o}} <!--T:38-->
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===p. Fuse Box=== <!--T:39-->
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===q. Master Cylinder=== <!--T:40-->
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==11. Perform typical automotive maintenance as listed below:== <!--T:41-->
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<!-- 11. Perform typical automotive maintenance as listed below: -->
  
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===a. Check engine and transmission oil levels.=== <!--T:42-->
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===b. Check water/antifreeze level. Change and flush the cooling system.=== <!--T:43-->
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===c. Change engine oil and filter.=== <!--T:44-->
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===d. Change a tire, following proper safety procedure.=== <!--T:45-->
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===e. Lubricate the chassis according to the vehicle service manual.=== <!--T:46-->
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===f. Check windshield wipers and replace if necessary.=== <!--T:47-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=11f}} <!--T:47-->
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===g. Check windshield wiper fluid reservoir and adjust fluid levels as necessary.=== <!--T:48-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=11g}} <!--T:48-->
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===h. Check power steering fluid levels.=== <!--T:49-->
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{{ansreq|page={{#titleparts:{{PAGENAME}}|2|1}}|num=11h}} <!--T:49-->
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===i. Check front, rear, and turning signal lights.=== <!--T:50-->
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===j. Check air filter and replace if necessary.=== <!--T:51-->
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===k. Check cabin filter and replace if necessary.=== <!--T:52-->
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==References== <!--T:53-->
 
==References== <!--T:53-->
  
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<section end="Body" />

Revision as of 20:30, 30 December 2020

Other languages:
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Template:Honor Master



1

Properly start an automobile or light truck engine with an automatic transmission and one with a standard transmission. Explain why it is necessary for the engine to have the proper oil, water, fuel, and battery pressures and levels for proper engine operation.



2

Remove and replace tire (or wheel) properly and demonstrate how to mend a puncture.



3

Explain the principles of four- and two-cycle engines and the difference between gasoline and diesel engines. Explain the major differences between carburetor fuel systems and fuel-injection systems.



3a



3b



3c



3d




4

Describe the construction of a typical gasoline engine and explain briefly the function of these units:



5

Perform typical automotive maintenance as listed below:



5a

Check engine and transmission oil levels.



5b

Check water/anti-freeze level. Change and flush the cooling system.



5c

Change engine oil and filter.



5d

Change a tire/wheel assembly, following proper safety procedure.




6

How often should the engine oil, transmission oil, and cooling fluid be changed?



7

Give some pointers on proper care of the vehicle and its finish, both interior and exterior.



7a



7b



7c




8



9



10



10a



10b



10c



10d



10e



10f



10g



10h



10i



10j



10k



10l



10m



10n



10o



10p



10q




11



11a



11b



11c



11d



11e



11f



11g



11h



11i



11j



11k





References


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